One end twin heads marker



FIG. 1 is a front perspective view of a one end twin heads marker showing my new design in an exploded condition;

FIG. 2 is a front perspective view with the cap member in place;

FIG. 3 is a right side elevational view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1;

FIG. 6 is a left side elevational view of FIG. 1;

FIG. 7 is a top plan view of FIG. 1; and,

FIG. 8 is a bottom plan view of FIG. 1. 

The ornamental design for a one end twin heads marker, as shown and described. 